3(x+3)(x+1) - 2(x+2)(x+1)=(x+2)(x+3)
3(x^2+3x+x+3) - 2(x^+2x+x+2)=(x^2+2x+3x+6)
3x^2+12x+9-2x^2-6x-4=x^2+5x+6
x^2+6x+5=x^2+5x+6
x=1
Фото..........................................................
9x^2 - x = 0
x • (9x - 1) = 0
x = 0
9x - 1 = 0
x1 = 0
x2 = 1/9
@iGeniusOX⚡
57, 54, 51, 48, 45, 42 - пропущенные члены